Solve the system by substitution.7y = 3x - 5
x - 
y = 
A. ?
B. 
C. 
D. 
Answer: C
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Solve the problem.Find the five-number summary for the data set {5, -2, 8, 4, 7, 1, 7, -2, -5}.
A. Min = -5, Q1= -2, M = 2.6, Q3 = 7, Max = 8 B. Min = -5, Q1= -2, M = 4, Q3 = 7, Max = 8 C. Min = -5, Q1= -2, M = 5, Q3 = 7, Max = 8 D. Min = -5, Q1= -2, M = 4, Q3 = 5, Max = 8 E. Min = -5, Q1= 1, M = 4, Q3 = 7, Max = 8
Complete the identity.
= ?
A. 1 B. 0 C. tan x D. 2
Solve the problem.The amount of money that Pablo makes in a given week varies directly as the number of hours he works that week. In a week in which he works 28 hours, he makes $504. How much will he make in a week in which he works 44 hours?
A. $807 B. $792 C. $787 D. $802
Find the expected value.A new light bulb has been found to have a 0.02 probability of being defective. A shop owner receives 500 bulbs of this kind. How many of these bulbs are expected to be defective?
A. 20 B. 100 C. 10 D. 500